It's possible your characters got stuck in the maps. Try sending them home via the User Panel. (You can find this on the main/home page of the FH website.) If you think your computer may be having a lag-related problem, more populated maps (like The Grounds) could be causing your computer to crash. If this is the case, you can reduce your view distance and turn off water reflections through your in-game settings; if this doesn't fix it, you could look into downloading the "Light" version of the game, which will make the game a bit less pretty but more manageable for your computer. Make sure you haven't been accidentally moving around map files, either! If you think you have, a simply re-install should fix it. c: